gcc/testsuite/gcc.dg/cpp/cmdlne-C2.c

   1 /* Copyright (C) 2000, 2001 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do preprocess } */
   4 /* { dg-options "-C" } */
   5
   6 /* This tests that C++ comments are either dropped, or converted to C
   7    comments in macro expansions.  The + in the regexp stops it from
   8    matching itself 8-)
   9
  10    Neil Booth, 9 Oct 2001.  */
  11
  12 #define ZERO 0 // A comment
  13
  14 ZERO:
  15
  16 /*
  17    { dg-final { if ![file exists cmdlne-C2.i] { return }                  } }
  18    { dg-final { if { [grep cmdlne-C2.i "c+omment:"] == "" } { return }    } }
  19    { dg-final { fail "cmdlne-C2.i: C++ comments in macros with -C"        } }
  20 */
  21